Cleaning fast,efficient,repeatable User-friendly trigger design for both the right-handed user and the left-handed user Each cleaning is very effictive and prooduce a new surface Consistency of cleaning without alcohol both outdoor & indoor Neither static nor chemical contamination Core can be replaced Dry special anti-static Microfiber fabric Cleaning belt is made of high density textile fiber Provides 500+ times of cleaning It is suitable for cleaning the end face of FC/SC/LC/ST/MU/D4/DIN optical fiber connector PC/APC Hand control operation, lightweight design, replaceable core